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← ScienceWhich consequence results when constructive interference increases during laser filamentation?
A)Self-focusing begins in the medium✓
B)Plasma density stays homogenous during propagation
C)Photons experience minimal Kerr effect
D)Beam divergence undergoes normal diffraction
💡 Explanation
Self-focusing initiates because increased constructive interference amplifies the beam's intensity via the Kerr effect, triggering changes in the refractive index; therefore self-focusing starts, rather than staying homogenous, because diffraction or minimal Kerr effects lead to other mechanisms.
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